Big data's patron saint -- FiveThirtyEight blogger Nate Silver -- won the battle to predict the outcome of the contest between Obama and former Massachusetts Gov. Mitt Romney. Where breathless pundits brandishing equivocating polls shouted from the rooftops over the last few weeks that the race for the White House was a "toss-up," or "too close to call," Silver and other poll aggregators sat back and calmly told anyone who would listen that the math told another story: Obama's re-election was never in danger.

Many users received an unusual-sounding e-mail from Twitter explaining that it had reset their passwords after a suspected security breach. Now the company says it went too far -- but doesn't explain the situation.